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Code Issues Releases Wiki Activity

switch old toArray helper to Array.from

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Hakim El Hattab
2020-03-16 15:18:47 +01:00
parent 6ff4e9306c
commit 2540712714
10 changed files with 111 additions and 113 deletions
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34
js/controllers/slidecontent.js
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@@ -1,5 +1,5 @@
import { HORIZONTAL_SLIDES_SELECTOR, VERTICAL_SLIDES_SELECTOR } from '../utils/constants.js'
import { extend, toArray, closestParent } from '../utils/util.js'
import { extend, queryAll, closestParent } from '../utils/util.js'
import { isMobile } from '../utils/device.js'
/**
@@ -47,7 +47,7 @@ export default class SlideContent {
slide.style.display = this.Reveal.getConfig().display;
// Media elements with data-src attributes
toArray( slide.querySelectorAll( 'img[data-src], video[data-src], audio[data-src], iframe[data-src]' ) ).forEach( element => {
queryAll( slide, 'img[data-src], video[data-src], audio[data-src], iframe[data-src]' ).forEach( element => {
if( element.tagName !== 'IFRAME' || this.shouldPreload( element ) ) {
element.setAttribute( 'src', element.getAttribute( 'data-src' ) );
element.setAttribute( 'data-lazy-loaded', '' );
@@ -56,10 +56,10 @@ export default class SlideContent {
} );
// Media elements with <source> children
toArray( slide.querySelectorAll( 'video, audio' ) ).forEach( media => {
queryAll( slide, 'video, audio' ).forEach( media => {
let sources = 0;
toArray( media.querySelectorAll( 'source[data-src]' ) ).forEach( source => {
queryAll( media, 'source[data-src]' ).forEach( source => {
source.setAttribute( 'src', source.getAttribute( 'data-src' ) );
source.removeAttribute( 'data-src' );
source.setAttribute( 'data-lazy-loaded', '' );
@@ -176,19 +176,19 @@ export default class SlideContent {
background.style.display = 'none';
// Unload any background iframes
toArray( background.querySelectorAll( 'iframe[src]' ) ).forEach( element => {
queryAll( background, 'iframe[src]' ).forEach( element => {
element.removeAttribute( 'src' );
} );
}
// Reset lazy-loaded media elements with src attributes
toArray( slide.querySelectorAll( 'video[data-lazy-loaded][src], audio[data-lazy-loaded][src], iframe[data-lazy-loaded][src]' ) ).forEach( element => {
queryAll( slide, 'video[data-lazy-loaded][src], audio[data-lazy-loaded][src], iframe[data-lazy-loaded][src]' ).forEach( element => {
element.setAttribute( 'data-src', element.getAttribute( 'src' ) );
element.removeAttribute( 'src' );
} );
// Reset lazy-loaded media elements with <source> children
toArray( slide.querySelectorAll( 'video[data-lazy-loaded] source[src], audio source[src]' ) ).forEach( source => {
queryAll( slide, 'video[data-lazy-loaded] source[src], audio source[src]' ).forEach( source => {
source.setAttribute( 'data-src', source.getAttribute( 'src' ) );
source.removeAttribute( 'src' );
} );
@@ -201,7 +201,7 @@ export default class SlideContent {
formatEmbeddedContent() {
let _appendParamToIframeSource = ( sourceAttribute, sourceURL, param ) => {
toArray( this.Reveal.getSlidesElement().querySelectorAll( 'iframe['+ sourceAttribute +'*="'+ sourceURL +'"]' ) ).forEach( el => {
queryAll( this.Reveal.getSlidesElement(), 'iframe['+ sourceAttribute +'*="'+ sourceURL +'"]' ).forEach( el => {
let src = el.getAttribute( sourceAttribute );
if( src && src.indexOf( param ) === -1 ) {
el.setAttribute( sourceAttribute, src + ( !/\?/.test( src ) ? '?' : '&' ) + param );
@@ -230,14 +230,14 @@ export default class SlideContent {
if( element && !this.Reveal.isSpeakerNotes() ) {
// Restart GIFs
toArray( element.querySelectorAll( 'img[src$=".gif"]' ) ).forEach( el => {
queryAll( element, 'img[src$=".gif"]' ).forEach( el => {
// Setting the same unchanged source like this was confirmed
// to work in Chrome, FF & Safari
el.setAttribute( 'src', el.getAttribute( 'src' ) );
} );
// HTML5 media elements
toArray( element.querySelectorAll( 'video, audio' ) ).forEach( el => {
queryAll( element, 'video, audio' ).forEach( el => {
if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) {
return;
}
@@ -285,7 +285,7 @@ export default class SlideContent {
} );
// Normal iframes
toArray( element.querySelectorAll( 'iframe[src]' ) ).forEach( el => {
queryAll( element, 'iframe[src]' ).forEach( el => {
if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) {
return;
}
@@ -294,7 +294,7 @@ export default class SlideContent {
} );
// Lazy loading iframes
toArray( element.querySelectorAll( 'iframe[data-src]' ) ).forEach( el => {
queryAll( element, 'iframe[data-src]' ).forEach( el => {
if( closestParent( el, '.fragment' ) && !closestParent( el, '.fragment.visible' ) ) {
return;
}
@@ -390,7 +390,7 @@ export default class SlideContent {
if( element && element.parentNode ) {
// HTML5 media elements
toArray( element.querySelectorAll( 'video, audio' ) ).forEach( el => {
queryAll( element, 'video, audio' ).forEach( el => {
if( !el.hasAttribute( 'data-ignore' ) && typeof el.pause === 'function' ) {
el.setAttribute('data-paused-by-reveal', '');
el.pause();
@@ -398,20 +398,20 @@ export default class SlideContent {
} );
// Generic postMessage API for non-lazy loaded iframes
toArray( element.querySelectorAll( 'iframe' ) ).forEach( el => {
queryAll( element, 'iframe' ).forEach( el => {
if( el.contentWindow ) el.contentWindow.postMessage( 'slide:stop', '*' );
el.removeEventListener( 'load', this.startEmbeddedIframe );
});
// YouTube postMessage API
toArray( element.querySelectorAll( 'iframe[src*="youtube.com/embed/"]' ) ).forEach( el => {
queryAll( element, 'iframe[src*="youtube.com/embed/"]' ).forEach( el => {
if( !el.hasAttribute( 'data-ignore' ) && el.contentWindow && typeof el.contentWindow.postMessage === 'function' ) {
el.contentWindow.postMessage( '{"event":"command","func":"pauseVideo","args":""}', '*' );
}
});
// Vimeo postMessage API
toArray( element.querySelectorAll( 'iframe[src*="player.vimeo.com/"]' ) ).forEach( el => {
queryAll( element, 'iframe[src*="player.vimeo.com/"]' ).forEach( el => {
if( !el.hasAttribute( 'data-ignore' ) && el.contentWindow && typeof el.contentWindow.postMessage === 'function' ) {
el.contentWindow.postMessage( '{"method":"pause"}', '*' );
}
@@ -419,7 +419,7 @@ export default class SlideContent {
if( options.unloadIframes === true ) {
// Unload lazy-loaded iframes
toArray( element.querySelectorAll( 'iframe[data-src]' ) ).forEach( el => {
queryAll( element, 'iframe[data-src]' ).forEach( el => {
// Only removing the src doesn't actually unload the frame
// in all browsers (Firefox) so we set it to blank first
el.setAttribute( 'src', 'about:blank' );